#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll n,x,y;
int main(void){
    scanf("%lld%lld%lld",&n,&x,&y);
    if(max((x-1),(y-1))<=max((n-x),(n-y))){
        printf("White\n");
    }else{
        printf("Black\n");
    }
    return 0;
}